A rope winder, which has a rack, and a winding drum set on the rack that releases and retracts a rope. The rope includes a first turning wheel, an electronic counter, a calculating unit, a speed regulating unit and a control unit. The turning wheel has a groove which fits the rope. A petroleum instrument salvaging system which includes the rope winder and rope. One end of the rope is wound on the winding drum of the rope winder. A petroleum instrument hoisting system which includes the rope winder and a rope of which one end is wound on a winding drum of the rope winder.


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    Titel :

    Rope winder, petroleum instrument salvaging system and petroleum instrument hoisting system


    Beteiligte:
    YANG BIAO (Autor:in)

    Erscheinungsdatum :

    02.10.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren




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